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Does Warfarin Interact with Diclofenac Sodium Topical?

CDI records a major classification for Warfarin and Diclofenac Sodium Topical. The stored summary is: Synergistic effect on bleeding with increased risk of serious bleeding compared to either drug alone. The mechanism involves synergistic effect on hemostasis. Patients taking both medications should consult their healthcare provider before starting, stopping, or changing the dosage of either drug. This record was extracted from drug labeling through openFDA. NIH/NLM RxNorm is used for drug identities. The summary and severity classification are CDI's processed information, not a verbatim source quotation. Product, route, and patient circumstances matter.

Severity
Major
Management
Close medical supervision required
Data Source
U.S. FDA via OpenFDA

Recorded Mechanism

Synergistic effect on hemostasis

What To Tell Your Doctor or Pharmacist

If you are taking Warfarin and your doctor is considering prescribing Diclofenac Sodium Topical (or vice versa), make sure to:

  • Inform your doctor and pharmacist of all current medications, including over-the-counter drugs and supplements
  • Ask whether the benefits of combining these medications outweigh the risks for your specific situation
  • Ask what symptoms to watch for that would indicate the interaction is causing problems
  • Ask how frequently you should be monitored while these are co-prescribed
  • Ask whether any dosage adjustments are needed
  • Never stop or change either medication without first consulting your healthcare provider
💊 Warfarin(Warfarin Sodium)+💊 Diclofenac Sodium Topical(Diclofenac Sodium)

Severity & Interaction Details

⚠️
major
Use with caution — major interaction
Serious risk of clinically significant harm. Generally avoid; if used, monitor closely.
Severity scale
MinorContra
On record
Yes
Drug A class
—
Drug B class
—
Source
NLP:diclofenac sodium topical solution

What this means in plain English

Synergistic effect on bleeding with increased risk of serious bleeding compared to either drug alone.

About Warfarin and Diclofenac Sodium Topical

Both Warfarin and Diclofenac Sodium Topical carry an FDA boxed warning — the agency's most serious safety designation.

Source and Limitations

This record was produced by automated extraction from drug-label information, including AI processing. The summary and mechanism are not verbatim FDA quotations. The drug profiles below may describe different formulations from the source label. Confirm the exact product and route with your pharmacist. This page does not establish independent clinical review.

📖 Source: NLP:diclofenac sodium topical solution

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How this information is prepared: CDI uses automated extraction, including AI, to summarize drug labeling from openFDA and includes separately identified curated-reference records. RxNorm helps identify medications; it does not verify interaction claims. Extracted summaries and CDI severity classifications can contain errors and are not verbatim FDA statements or independent clinical review. Maintained by CheckDrugInteractions.com. See our methodology or report a correction at support@checkdruginteractions.com.

Data sourced from U.S. FDA drug labeling via openFDA and the NIH National Library of Medicine, supplemented with a small number of well-established interactions from curated clinical references. For informational purposes only. Always consult your pharmacist or physician.

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